On Wed, Oct 30, 2019 at 3:20 PM David Marchand <david.march...@redhat.com> wrote: > > Hello, > > We recently upgraded a XXV710 nic on a Dell R740 server (running RHEL > 7.7) to firmware version 7.00. > > # ethtool -i enp59s0f0 > driver: i40e > version: 2.8.10-k > firmware-version: 7.00 0x80004cf8 1.2154.0 > expansion-rom-version: > bus-info: 0000:3b:00.0 > supports-statistics: yes > supports-test: yes > supports-eeprom-access: yes > supports-register-dump: yes > supports-priv-flags: yes > > > Following this upgrade, using the nic with dpdk only works once. > Restarting testpmd (dpdk 18.11.2) ends up with all ports reporting > that link is down, and indeed, the other side of the cable reports > that there is no light.
More info on reproducing the issue. >From a testpmd with links up: # all good testpmd> show port summary all Number of available ports: 2 Port MAC Address Name Driver Status Link 0 3C:FD:FE:AD:BF:C4 0000:3b:00.0 net_i40e up 25000Mbps 1 3C:FD:FE:AD:BF:C5 0000:3b:00.1 net_i40e up 25000Mbps # setting one link down testpmd> set link-down port 0 i40e_phy_conf_link(): Current: abilities 1c, link_speed 4c i40e_phy_conf_link(): Config: abilities 24, link_speed 4c testpmd> i40e_dev_alarm_handler(): ICR0: adminq event Port 0: link state change event i40e_dev_alarm_handler(): ICR0: adminq event testpmd> show port summary all Number of available ports: 2 Port MAC Address Name Driver Status Link 0 3C:FD:FE:AD:BF:C4 0000:3b:00.0 net_i40e down 0Mbps 1 3C:FD:FE:AD:BF:C5 0000:3b:00.1 net_i40e up 25000Mbps # trying to set back up testpmd> set link-up port 0 i40e_phy_conf_link(): Current: abilities 4, link_speed 0 i40e_phy_conf_link(): Config: abilities 3c, link_speed 7e testpmd> i40e_dev_alarm_handler(): ICR0: adminq event testpmd> show port summary all Number of available ports: 2 Port MAC Address Name Driver Status Link 0 3C:FD:FE:AD:BF:C4 0000:3b:00.0 net_i40e down 0Mbps 1 3C:FD:FE:AD:BF:C5 0000:3b:00.1 net_i40e up 25000Mbps End of the game. Need to bind back to the i40e kernel module to restore connectivity. Any idea? -- David Marchand
